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JPL Small-Body Database Browser
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392690 (2011 WW42)
Classification: Jupiter Trojan          SPK-ID: 2392690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04948761300088299 9.8991e-08  
a 5.223478149889786 5.1888e-07 au
q 4.964980684689472 6.1593e-07 au
i 11.1934024094657 9.3775e-06 deg
node 254.209271126043 5.9173e-05 deg
peri 202.2421319150234 0.00021794 deg
M 201.5659373833953 0.00022464 deg
tp 2460519.540579576595
(2024-Jul-28.04057958)
0.0029787 TDB
period 4360.518169122358
11.94
0.00064974
1.779e-06
d
yr
n .08255899552241912 1.2302e-08 deg/d
Q 5.4819756150901 5.4456e-07 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      7161 days (19.61 yr)  
   first obs. used      1999-12-27  
   last obs. used      2019-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:08  

Additional Information
 Earth MOID = 3.98453 au 
 Jupiter MOID = .104526 au 
 T_jup = 2.959 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO427954  

392690 (2011 WW42)          Discovered 2010-Oct-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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